InChI=1/C20H19N5O/c1-4-16-6-5-7-18(11-16)23-20(26)22-13-17-8-9-19(21-12-17)25-15(3)10-14(2)24-25/h1,5-12H,13H2,2-3H3,(H2,22,23,26)/f/h22-23H 9668B729F6AE0088